email a friend
printable version
close| Location | Spain, Castilla y León |
| Central coordinates | 3o 35.00' West 41o 32.00' North |
| IBA criteria | A4ii, B1iii, B2, C2, C6 |
| Area | 9,400 ha |
| Altitude | 864 - 1,166m |
| Year of IBA assessment | 2000 |
Ornithological information This is an important area for cliff-nesting raptors.
Site description A limestone canyon with Populus plantations, small woods of Quercus and Juniperus, open scrub, grassland and cultivation.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Egyptian Vulture Neophron percnopterus | breeding | 1993 | 19 breeding pairs | good | B2, C6 | Endangered |
| Griffon Vulture Gyps fulvus | resident | 1995 | 336 breeding pairs | good | A4ii, B1iii, B2, C2, C6 | Least Concern |
| Griffon Vulture Gyps fulvus | winter | 1995 | 740-790 individuals | good | A4ii, B1iii, C2 | Least Concern |
| Dupont's Lark Chersophilus duponti | resident | 1992 | 150 breeding pairs | medium | B2, C2, C6 | Near Threatened |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| HOCES DEL RÍO RIAZA - ES4160008 | Birds Directive | 6,540 | protected area contained by site | 6,540 | |
| HOCES DEL RÍO RIAZA - ES4160104 | Habitats Directive | 5,185 | protected area contained by site | 5,185 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Broadleaved evergreen woodland | 26% |
| Shrubland | Sclerophyllous scrub, garrigue and maquis | - |
| Grassland | Dry siliceous grassland | - |
| Rocky areas | Inland cliffs | 26% |
| Artificial landscapes (terrestrial) | Arable land; Ruderal land | 26% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| nature conservation and research | 26% |
| water management | - |
Management considerations The main threats are from overhead powerlines and high visitor numbers.
Protection status National None International Partial2,100 ha of IBA covered by Special Protection Area (Montejo de la Vega, 2,100 ha).
Contribute Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.
Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Montejo de la Vega-Riaza canyon. Downloaded from http://www.birdlife.org on 25/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
|
|